发明授权
- 专利标题: Preparation of cyclic .alpha.,.beta.-unsaturated ethers
- 专利标题(中): 环状α,β-不饱和醚的制备
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申请号: US2335申请日: 1979-01-10
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公开(公告)号: US4206126A公开(公告)日: 1980-06-03
- 发明人: Walter Rebafka
- 申请人: Walter Rebafka
- 申请人地址: DEX
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX
- 优先权: DEX2803987 19780130
- 主分类号: B01J31/00
- IPC分类号: B01J31/00 ; C07B61/00 ; C07D307/28 ; C07D309/18
摘要:
Cyclic .alpha.,.beta.-unsaturated ethers are prepared by isomerizing the corresponding .beta.,.gamma.-unsaturated ethers at from 50.degree. to 250.degree. C. in the presence of an iron carbonyl as the catalyst, and of a base.
公开/授权文献
- USD360263S Static progressive-extension orthosis 公开/授权日:1995-07-11
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